Ask a Question

What is meant by callback function? What is its purpose?

0 votes
104 views
in Javascript by (3.5k points)
edited

What is meant by callback function? What is its purpose?

1 Answer

0 votes
by (3.5k points)
edited
A callback function should be called when setState has finished, and the component is re-rendered.

As the setState is asynchronous, which is why it takes in a second callback function.

Related questions

0 votes
1 answer 135 views
What is meant by the internal resistance of a cell?
asked Oct 30, 2022 in Chapter 3 Current Electricity by Doubtly (98.9k points)
0 votes
1 answer 198 views
Describe what is meant by significant figures and order of magnitude.
asked Oct 1, 2022 in Physics by Doubtly (98.9k points)
0 votes
1 answer 101 views
What is meant by scan code?
asked Aug 6, 2022 in Discuss by Doubtly (98.9k points)
0 votes
1 answer 106 views
What is meant by radioactivity?
asked Apr 14, 2022 in Chapter 14 Substances in Common Use by Doubtly (98.9k points)

Doubtly is an online community for engineering students, offering:

  • Free viva questions PDFs
  • Previous year question papers (PYQs)
  • Academic doubt solutions
  • Expert-guided solutions

Get the pro version for free by logging in!

Most popular tags

jeemain geography-10th engineering physics semester 5 web computing

5.7k questions

5.1k answers

108 comments

563 users

Doubtly
...